DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerDoor key cylinder switch
Description
The main power window and door lock/unlock switch detects condition of the
door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mode ...
How to enable/disable the RCTA system
Perform the following steps to enable or disable
the RCTA system.
1. Press the button until
"Settings" displays
in the vehicle information display and
then press OK. Use the button to
select "Driver Assistance". Then press the
OK button.
2. Select "Blind Spot" and press the OK ...
U1216 AV control unit
Description
Replace the AV control unit if this DTC is displayed.
Part name
Description
AV CONTROL UNIT
It is the master unit of the MULTI AV system and it is connected
to each control unit by means of communication. It operates each
syste ...